PC Power Transformers

Users of Prem Magnetics' SPW_150, or the equivalent from another source, can meet CE Mark requirements for the transformer by simply substituting Prem's SPW-3150. The pin-out pattern for the Prem SPW-3150 low profile PC power transformers, with TUV EN60950 approvals.

The HIPOT rating for the SPW-3150 series is 4500 VRMS from primaries to secondaries. The bobbin and shroud material is UL 94V) and meets strict creepage and clearance distance minimums found in European and other world markets. Every Prem unit is 100% tested for induced voltage (shorted turns) exciting current, open circuit voltage (turns ratio), polarity (phasing), and dielectric strength.